<PAGE> PAGE 1
000 B000000 12/31/1999
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000 G000000 N
000 H000000 N
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001 C000000 3126349200
002 A000000 227 W. MONROE SUITE 3000
002 B000000 CHICAGO
002 C000000 IL
002 D010000 60606
002 D020000 5016
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004 000000 N
005 000000 N
006 000000 N
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007 C030100 N
007 C010200 2
007 C020200 ACORN INTERNATIONAL
007 C030200 N
007 C010300 3
007 C020300 ACORN USA
007 C030300 N
007 C010400 4
007 C020400 ACORN TWENTY
007 C030400 N
007 C010500 5
007 C020500 ACORN FOREIGN FORTY
007 C030500 N
007 C010600 6
007 C010700 7
007 C010800 8
007 C010900 9
007 C011000 10
007 C011100 11
007 C011200 12
007 C011300 13
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<PAGE> PAGE 2
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<PAGE> PAGE 3
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<PAGE> PAGE 4
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015 A00AA03 WESTPAC BANKING CORPORATION
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015 C01AA03 SYDNEY
015 D01AA03 AUSTRALIA
015 E04AA03 X
015 A00AA04 ERSTE BANK
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015 C01AA04 VIENNA
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015 A00AA05 STANDARD CHARTERED BANK
015 B00AA05 S
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015 D01AA05 BANGLADESH
015 E04AA05 X
015 A00AA06 FORTIS BANK, SA
015 B00AA06 S
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015 D01AA06 BELGIUM
015 E04AA06 X
015 A00AA07 BARCLAY'S BANK OF BOTSWANA LIMITED
015 B00AA07 S
015 C01AA07 GABARONE
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015 E04AA07 X
015 A00AA08 CITIBANK, N.A.
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015 D01AA08 BRAZIL
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015 D01AA11 CHINA
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<PAGE> PAGE 5
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015 C01AA13 NICOSIA
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015 A00AA14 CESKOSLOVENSKA OBCHODNI BANKA A.S.
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015 C01AA14 PRAGUE
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015 C01AA15 COPENHAGEN
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015 A00AA16 CITIBANK, N.A.
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015 D01AA16 ECUADOR
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015 C01AA17 CAIRO
015 D01AA17 EGYPT
015 E04AA17 X
015 A00AA18 MERITA BANK LIMITED
015 B00AA18 S
015 C01AA18 HELSINKI
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015 E04AA18 X
015 A00AA19 BANQUE PARIBAS
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015 C01AA19 PARIS
015 D01AA19 FRANCE
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015 A00AA22 NATIONAL BANK OF GREECE S.A.
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<PAGE> PAGE 6
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015 D01AA23 HONG KONG
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015 C01AA24 BUDAPEST
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015 C01AA26 JAKARTA
015 D01AA26 INDONESIA
015 E04AA26 X
015 A00AA27 BANK OF IRELAND
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015 D01AA27 IRELAND
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015 A00AA28 BANK HAPOALIM B.M.
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015 C01AA28 TEL AVIV
015 D01AA28 ISRAEL
015 E04AA28 X
015 A00AA29 BANQUE PARIBAS
015 B00AA29 S
015 C01AA29 MILAN
015 D01AA29 ITALY
015 E04AA29 X
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015 D01AA30 JAPAN
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015 A00AA31 HSBC BANK MIDDLE EAST
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015 C01AA31 AMMAN
015 D01AA31 JORDAN
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015 A00AA32 BARCLAY'S BANK OF KENYA LIMITED
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<PAGE> PAGE 7
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015 A00AA34 STANDARD CHARTERED BANK MALAYSIA BERHAD
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<PAGE> PAGE 8
015 D01AA43 POLAND
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<PAGE> PAGE 9
015 E04AA53 X
015 A00AA54 CITIBANK, N.A., TURKEY
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<PAGE> PAGE 10
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<PAGE> PAGE 11
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<PAGE> PAGE 12
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<PAGE> PAGE 13
077 I000000 N
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<PAGE> PAGE 14
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<PAGE> PAGE 15
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<PAGE> PAGE 16
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<PAGE> PAGE 17
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<PAGE> PAGE 18
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<PAGE> PAGE 19
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057 000200 N
058 A000200 N
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<PAGE> PAGE 20
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<PAGE> PAGE 21
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<PAGE> PAGE 22
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<PAGE> PAGE 23
058 A000300 N
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<PAGE> PAGE 24
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<PAGE> PAGE 25
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<PAGE> PAGE 26
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<PAGE> PAGE 27
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<PAGE> PAGE 28
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<PAGE> PAGE 29
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<PAGE> PAGE 30
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<PAGE> PAGE 31
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<PAGE> PAGE 32
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<PAGE> PAGE 33
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SIGNATURE BRUCE LAUER
TITLE TREASURER
<TABLE> <S> <C>
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<LEGEND>
The following information is extracted from and qualified by reference to
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<SERIES>
<NUMBER> 1
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<TABLE> <S> <C>
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<LEGEND>
The following information is extracted from and qualified by reference to
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</LEGEND>
<SERIES>
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</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
The following information is extracted from and qualified by reference to
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the audited financial statements included in registrant's annual report to
shareholders.
</LEGEND>
<SERIES>
<NUMBER> 3
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<APPREC-INCREASE-CURRENT> 30941
<NET-CHANGE-FROM-OPS> 69734
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 0
<DISTRIBUTIONS-OF-GAINS> 28268
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 7922
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<NET-CHANGE-IN-ASSETS> 90477
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<OVERDISTRIB-NII-PRIOR> 0
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<PER-SHARE-NAV-BEGIN> 14.80
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<RETURNS-OF-CAPITAL> 0
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</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
The following information is extracted from and qualified by reference to
registrant's report on form N-SAR for the year ended December 31, 1999 and the
audited financial statements included in registrant's annual report to
shareholders.
</LEGEND>
<SERIES>
<NUMBER> 4
<NAME> ACORN TWENTY
<MULTIPLIER> 1000
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 54344
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<TOTAL-ASSETS> 70387
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<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 45
<TOTAL-LIABILITIES> 1917
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 53298
<SHARES-COMMON-STOCK> 4996
<SHARES-COMMON-PRIOR> 3150
<ACCUMULATED-NII-CURRENT> 0
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<ACCUMULATED-NET-GAINS> 3734
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 11438
<NET-ASSETS> 68470
<DIVIDEND-INCOME> 280
<INTEREST-INCOME> 130
<OTHER-INCOME> 0
<EXPENSES-NET> 755
<NET-INVESTMENT-INCOME> (345)
<REALIZED-GAINS-CURRENT> 5015
<APPREC-INCREASE-CURRENT> 8906
<NET-CHANGE-FROM-OPS> 13576
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 0
<DISTRIBUTIONS-OF-GAINS> 705
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 2862
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<SHARES-REINVESTED> 51
<NET-CHANGE-IN-ASSETS> 34746
<ACCUMULATED-NII-PRIOR> 6
<ACCUMULATED-GAINS-PRIOR> (246)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 503
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 789
<AVERAGE-NET-ASSETS> 55487
<PER-SHARE-NAV-BEGIN> 10.71
<PER-SHARE-NII> (.08)
<PER-SHARE-GAIN-APPREC> 3.21
<PER-SHARE-DIVIDEND> 0
<PER-SHARE-DISTRIBUTIONS> .14
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 13.70
<EXPENSE-RATIO> 1.37
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
The following information is extracted from and qualified by reference to
registrant's report on form N-SAR for the year ended December 31, 1999 and the
the audited financial statements included in registrant's annual report to
shareholders.
</LEGEND>
<SERIES>
<NUMBER> 5
<NAME> ACORN FOREIGN FORTY
<MULTIPLIER> 1000
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 68412
<INVESTMENTS-AT-VALUE> 106507
<RECEIVABLES> 612
<ASSETS-OTHER> 618
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 107737
<PAYABLE-FOR-SECURITIES> 332
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 54
<TOTAL-LIABILITIES> 386
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 68575
<SHARES-COMMON-STOCK> 5387
<SHARES-COMMON-PRIOR> 1435
<ACCUMULATED-NII-CURRENT> 219
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 767
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 37790
<NET-ASSETS> 107351
<DIVIDEND-INCOME> 417
<INTEREST-INCOME> 158
<OTHER-INCOME> 0
<EXPENSES-NET> 651
<NET-INVESTMENT-INCOME> (76)
<REALIZED-GAINS-CURRENT> 792
<APPREC-INCREASE-CURRENT> 36932
<NET-CHANGE-FROM-OPS> 37648
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 0
<DISTRIBUTIONS-OF-GAINS> 99
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 4836
<NUMBER-OF-SHARES-REDEEMED> 891
<SHARES-REINVESTED> 7
<NET-CHANGE-IN-ASSETS> 91566
<ACCUMULATED-NII-PRIOR> 9
<ACCUMULATED-GAINS-PRIOR> 74
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<AVERAGE-NET-ASSETS> 45930
<PER-SHARE-NAV-BEGIN> 11.00
<PER-SHARE-NII> (.02)
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<PER-SHARE-DISTRIBUTIONS> .03
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 19.93
<EXPENSE-RATIO> 1.48
</TABLE>
